title: The effect of concurrent administration of valproate sodium on phenobarbital plasma concentration/dosage ratio in pediatric patients.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004305:Dose-Response Relationship, Drug; D004827:Epilepsy / Q000188:drug therapy; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D010634:Phenobarbital / Q000008:administration & dosage / Q000097:blood*; D012189:Retrospective Studies; D014635:Valproic Acid / Q000008:administration & dosage*
chemical_list: D014635:Valproic Acid; D010634:Phenobarbital